Home / 219,322,853.80-329,110,251.90-83,105,996.20

Finding the Fourth Proportional to 219,322,853.80, 329,110,251.90 and 83,105,996.20

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Solution

The fourth proportional to 219,322,853.80, 329,110,251.90 and 83,105,996.20 is: 124,706,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,322,853.80 : 329,110,251.90 = 83,105,996.20 : x
  2. Step 2: Convert to fraction form
    219,322,853.80/329,110,251.90 = 83,105,996.20/x
  3. Step 3: Cross multiply
    219,322,853.80x = 329,110,251.90 × 83,105,996.20
  4. Step 4: Simplify right side
    219,322,853.80x = 27,351,035,343,782,440
  5. Step 5: Solve for x
    x = 27,351,035,343,782,440/219,322,853.80
  6. Step 6: Final answer
    x = 124,706,727.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.